Legrand HSWC3W Humidity-Based Fan Control with Light Switch - 6A Fan/15A Light, Single-Pole, White
Legrand HSWC3W Humidity-Based Fan Control with Light Switch - 6A Fan/15A Light, Single-Pole, White
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About this item
About this item
- Dual-Function Control: Combines 6A humidity-sensing fan control with 15A light switch in a single-gang device for complete bathroom control
- Automatic Moisture Detection: Intelligent humidity sensor activates exhaust fan when moisture rises above adjustable 50-80% RH threshold
- Adjustable Time Delay: Fan continues running for 5-60 minutes after humidity drops to ensure complete moisture removal and prevent mold growth
- Manual Override with LED Indicator: Push-button control allows instant fan operation independent of humidity sensing with visual confirmation light
- Energy-Efficient Operation: Eliminates unnecessary fan runtime by activating only when needed—no programming required, just simple dial adjustments
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Shipping & Returns
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Description
Description
Legrand HSWC3W Humidity-Based Fan Control with Light Switch
The HSWC3W is a Legrand Pass & Seymour humidity-based fan control with light switch in white designed for automatic bathroom ventilation management. Experience superior comfort and energy efficiency with intelligent humidity sensing that activates your exhaust fan only when needed. This dual-function control combines a 6A humidity sensor fan switch with a 15A light switch—ideal for bathrooms, laundry rooms, and moisture-prone spaces requiring automated ventilation control.
Legrand HSWC3W Features
- Dual-Function Control: Combines humidity-sensing fan control (6A) with standard light switch (15A) in a single-gang device
- Automatic Humidity Detection: Senses moisture levels and automatically activates exhaust fan when humidity rises above set threshold
- Adjustable Humidity Setpoint: Customize activation threshold from 50% to 80% relative humidity to match your space requirements
- Adjustable Time Delay: Fan continues running for 5 to 60 minutes after humidity drops to ensure complete moisture removal
- Manual Override: Push-button control allows manual fan operation independent of humidity sensing
- LED Indicator Light: Visual confirmation when fan is operating in automatic or manual mode
- 6A Fan Capacity: Controls exhaust fans up to 6 amps (720W at 120V)
- 15A Light Switch: Independent on/off control for bathroom lighting up to 15 amps
- Single-Pole Configuration: Standard single-location wiring for straightforward installation
- White Finish: Matte white finish coordinates with standard decorator wallplates
- Standard Wallbox Compatibility: Fits in single-gang wallbox for easy installation or retrofit
- No Programming Required: Simple dial adjustments for humidity threshold and time delay settings
Humidity-Based Fan Control Applications
- Residential bathrooms and powder rooms
- Master bathroom suites with showers and tubs
- Laundry rooms and utility spaces
- Basement bathrooms and moisture-prone areas
- Guest bathrooms and en-suite facilities
- Multi-family residential units
- Light commercial restrooms
- Hospitality guest room bathrooms
Installation & Operation
The Legrand HSWC3W installs easily in a standard single-gang wallbox and requires a neutral wire connection for proper humidity sensor operation. The device features two separate switches: the top rocker controls the light (15A capacity), while the bottom section houses the humidity-sensing fan control (6A capacity). Set your desired humidity activation level using the adjustment dial (50-80% RH range)—when bathroom humidity exceeds this threshold, the fan automatically activates. The time delay dial allows you to program how long the fan continues running after humidity drops below the setpoint (5-60 minute range), ensuring complete moisture removal and preventing mold growth. The manual override button provides instant fan control when needed, regardless of current humidity levels. An LED indicator illuminates when the fan is operating, providing clear visual feedback. The independent light switch operates normally without affecting fan operation, giving you complete control over both functions.
Compatible Fans & Loads
- Exhaust Fans: Up to 6A (720W at 120V) for bathroom ventilation fans
- Light Load: Up to 15A (1800W at 120V) for incandescent, LED, or CFL bathroom lighting
- Voltage Rating: 120V AC, 60Hz
- Note: Requires neutral wire connection for humidity sensor operation. Not suitable for fan speed control—provides on/off switching only.
Why Choose Legrand Pass & Seymour Humidity Controls
Legrand is a global leader in electrical and digital building infrastructure with over 150 years of innovation and excellence. The Pass & Seymour HSWC3W represents intelligent environmental control, combining advanced humidity sensing technology with practical dual-function design. This automatic fan control eliminates the guesswork of manual ventilation, protecting your bathroom from excess moisture, mold growth, and structural damage while reducing energy waste from unnecessary fan operation. The adjustable humidity setpoint and time delay settings allow precise customization for your specific space and climate conditions, while the manual override ensures flexibility when immediate ventilation is needed. With reliable humidity detection, independent light control, and straightforward installation in a standard wallbox, the HSWC3W delivers professional-grade moisture management for residential and light commercial applications.
Why Buy From Us: As an authorized Legrand dealer, we guarantee 100% genuine products with full manufacturer warranty and expert customer support.
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Frequently Asked Questions
What does a humidity switch do?
What does a humidity switch do?
A humidity switch monitors the moisture level in the air and automatically turns on a ventilation fan when it detects high humidity, then turns it off once the air has cleared.
Where should I install a humidity sensor switch?
Where should I install a humidity sensor switch?
They are most effective in bathrooms, laundry rooms, home spas, and basements—anywhere prone to condensation, dampness, or mold growth.
Will the fan turn on every time it rains?
Will the fan turn on every time it rains?
Not if you have a high-quality humidity sensor switch. Modern sensors use "rate-of-rise" technology to distinguish between the fast moisture increase of a shower and the slow, natural increase of a rainy day.
Can I manually turn the fan on?
Can I manually turn the fan on?
Yes. Every humidity switch includes a manual override button. If you need immediate ventilation for odors, you can press the button to run the fan for a set "timeout" period.
How long does the fan stay on?
How long does the fan stay on?
This is determined by your "Time Delay" setting. Most switches allow you to choose between 10, 20, 30, or 45 minutes. The fan will run for this duration or until the humidity drops below your set threshold.
